<lv-collapse class="custom-icon">
  <lv-collapse-panel [lvId]="'p1'" [lvExpandedIcon]="'lv-icon-arrow-right'" lvTitle="Custom icon by string">
    <p>This is content...</p>
    <p>This is content...</p>
  </lv-collapse-panel>
  <lv-collapse-panel [lvId]="'p2'" [lvExpandedIcon]="expandedIconTpl" lvTitle="Custom icon by template">
    <p>This is content...</p>
    <p>This is content...</p>
  </lv-collapse-panel>
</lv-collapse>

<ng-template #expandedIconTpl let-expanded>
  <i [lv-icon]="expanded ? 'lv-icon-remove' : 'lv-icon-create'" class="expanded-icon" lvColorState></i>
</ng-template>
